From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail202.messagelabs.com (mail202.messagelabs.com [216.82.254.227]) by kanga.kvack.org (Postfix) with SMTP id 570D06B0339 for ; Fri, 20 Aug 2010 10:55:01 -0400 (EDT) Date: Fri, 20 Aug 2010 09:54:56 -0500 (CDT) From: Christoph Lameter Subject: Re: [PATCH] vmstat : update zone stat threshold at onlining a cpu In-Reply-To: <20100820092251.2ca67f66.kamezawa.hiroyu@jp.fujitsu.com> Message-ID: References: <1281951733-29466-1-git-send-email-mel@csn.ul.ie> <1281951733-29466-3-git-send-email-mel@csn.ul.ie> <20100818115949.c840c937.kamezawa.hiroyu@jp.fujitsu.com> <20100819090740.3f46aecf.kamezawa.hiroyu@jp.fujitsu.com> <20100820084908.10e55b76.kamezawa.hiroyu@jp.fujitsu.com> <20100820092251.2ca67f66.kamezawa.hiroyu@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org To: KAMEZAWA Hiroyuki Cc: Mel Gorman , linux-mm@kvack.org, "akpm@linux-foundation.org" List-ID: On Fri, 20 Aug 2010, KAMEZAWA Hiroyuki wrote: > 1 file changed, 1 insertion(+) > > Index: mmotm-0811/mm/vmstat.c > =================================================================== > --- mmotm-0811.orig/mm/vmstat.c > +++ mmotm-0811/mm/vmstat.c > @@ -998,6 +998,7 @@ static int __cpuinit vmstat_cpuup_callba > switch (action) { > case CPU_ONLINE: > case CPU_ONLINE_FROZEN: > + refresh_zone_stat_thresholds(); > start_cpu_timer(cpu); > node_set_state(cpu_to_node(cpu), N_CPU); > break; refresh_zone_stat_threshold must be run *after* the number of online cpus has been incremented. Does that occur before the callback? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org